add android example

.gitignore

@@ -60,3 +60,4 @@ doc/api/
 *.js.map
 
 fvm
+google-services.json

example/android/app/build.gradle

@@ -64,4 +64,7 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test:runner:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+    implementation 'com.google.firebase:firebase-messaging:20.1.2'
 }
+
+apply plugin: 'com.google.gms.google-services'

example/android/app/src/main/AndroidManifest.xml

@@ -7,7 +7,7 @@
          FlutterApplication and put your custom class here. -->
     <uses-permission android:name="android.permission.INTERNET"/>
     <application
-        android:name="io.flutter.app.FlutterApplication"
+        android:name=".Application"
         android:label="example"
         android:icon="@mipmap/ic_launcher">
         <activity
@@ -17,6 +17,10 @@
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
+            <intent-filter>
+                <action android:name="FLUTTER_NOTIFICATION_CLICK" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>

example/android/app/src/main/kotlin/com/example/example/Application.kt

@@ -0,0 +1,22 @@
+package com.example.example
+
+import io.flutter.app.FlutterApplication
+import io.flutter.plugin.common.PluginRegistry
+import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback
+import io.flutter.plugins.GeneratedPluginRegistrant
+import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin
+import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService
+import io.flutter.plugins.sharedpreferences.SharedPreferencesPlugin
+
+class Application : FlutterApplication(), PluginRegistrantCallback {
+    override fun onCreate() {
+        super.onCreate()
+        FlutterFirebaseMessagingService.setPluginRegistrant(this)
+    }
+
+    override fun registerWith(registry: PluginRegistry?) {
+        SharedPreferencesPlugin.registerWith(registry?.registrarFor(
+                "io.flutter.plugins.sharedpreferences.SharedPreferencesPlugin"));
+        FirebaseMessagingPlugin.registerWith(registry?.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"))
+    }
+}

example/android/build.gradle

@@ -8,6 +8,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.5.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath 'com.google.gms:google-services:4.3.2'
     }
 }
 

example/lib/main.dart

@@ -5,12 +5,11 @@ void main() async {
   final client = Client(
     's2dxdhpxd94g',
     logLevel: Level.INFO,
-    persistenceEnabled: false,
   );
 
   await client.setUser(
-    User(id: 'super-band-9'),
+    User(id: 'super-band-007'),
-    'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VyX2lkIjoic3VwZXItYmFuZC05In0.0L6lGoeLwkz0aZRUcpZKsvaXtNEDHBcezVTZ0oPq40A',
+    'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VyX2lkIjoic3VwZXItYmFuZC0wMDcifQ.DlbyHN6nK7jBTJDp6RJOuBJWwnYoy8Zq8208RPL4uLY',
   );
 
   runApp(MyApp(client));

lib/src/channel_list_view.dart

@@ -116,7 +116,7 @@ class _ChannelListViewState extends State<ChannelListView> {
       child: StreamBuilder<List<Channel>>(
           stream: streamChat.channelsStream,
           builder: (context, snapshot) {
-            if (snapshot.hasError) {
+            if (false && snapshot.hasError) {
               if (snapshot.error is Error) {
                 print((snapshot.error as Error).stackTrace);
               }

lib/src/stream_chat.dart

@@ -59,7 +59,7 @@ class StreamChat extends StatefulWidget {
   }
 }
 
-class StreamChatState extends State<StreamChat> {
+class StreamChatState extends State<StreamChat> with WidgetsBindingObserver {
   final List<StreamSubscription> _subscriptions = [];
   Client get client => widget.client;
   final GlobalKey<NavigatorState> _navigatorKey = GlobalKey<NavigatorState>();
@@ -212,8 +212,22 @@ class StreamChatState extends State<StreamChat> {
       _queryChannelsLoadingController.sink.add(false);
     } catch (err, stackTrace) {
       _queryChannelsLoadingController.addError(err, stackTrace);
-    } finally {
+    }
-//      _queryChannelsLoadingController.sink.add(false);
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addObserver(this);
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    print('NEW STATE $state');
+    if (state == AppLifecycleState.paused) {
+      client.disconnect();
+    } else if (state == AppLifecycleState.resumed) {
+      client.connect();
     }
   }
 
@@ -221,6 +235,7 @@ class StreamChatState extends State<StreamChat> {
   void dispose() {
     _subscriptions.forEach((s) => s.cancel());
     _queryChannelsLoadingController.close();
+    WidgetsBinding.instance.removeObserver(this);
     super.dispose();
   }
 }